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Class Information
Number: 175/361
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Cross axle
Description: Apparatus in which the rolling cutter element is journaled on an axle or pin disposed transversely of the bit axis and which axle or pin is supported at spaced points.










Sub-classes under this class:

Class Number Class Name Patents
175/364 Removable cross axle or bushing 19
175/363 Separable supports 9
175/362 Vertically disaligned cross axle sections 0


Patents under this class:

Patent Number Title Of Patent Date Issued
8464813 Cutter assembly for a raise boring reamer Jun. 18, 2013
4907664 Rock cutting tool Mar. 13, 1990
4762188 Drill bit Aug. 9, 1988
4596295 Roller cutter with a tilted journal Jun. 24, 1986
4552232 Drill-bit with full offset cutter bodies Nov. 12, 1985
4241799 Protected cutter mounting for drill bits Dec. 30, 1980
4228863 Reamer bit for raise boring Oct. 21, 1980
4202418 Roller cutter mounts May. 13, 1980
4089382 Cutter mounting for a large hole earth boring bit May. 16, 1978
3981370 Disc cutting unit for use on rock boring machines Sep. 21, 1976
3967854 Endless bucket type excavator Jul. 6, 1976











 
 
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